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- PDB-1bc8: STRUCTURES OF SAP-1 BOUND TO DNA SEQUENCES FROM THE E74 AND C-FOS... -

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Basic information

Entry
Database: PDB / ID: 1bc8
TitleSTRUCTURES OF SAP-1 BOUND TO DNA SEQUENCES FROM THE E74 AND C-FOS PROMOTERS PROVIDE INSIGHTS INTO HOW ETS PROTEINS DISCRIMINATE BETWEEN RELATED DNA TARGETS
Components
  • DNA (5'-D(*AP*AP*CP*TP*TP*CP*CP*GP*GP*T)-3')
  • DNA (5'-D(*TP*AP*CP*CP*GP*GP*AP*AP*GP*T)-3')
  • PROTEIN (SAP-1 ETS DOMAIN)
KeywordsTRANSCRIPTION/DNA / ETS DOMAIN / DNA-BINDING DOMAIN / WINGED HELIX-TURN-HELIX / DNA-BINDING SPECIFICITY / TRANSCRIPTION-DNA COMPLEX
Function / homology
Function and homology information


sequence-specific double-stranded DNA binding / DNA-binding transcription activator activity, RNA polymerase II-specific / DNA-binding transcription factor activity, RNA polymerase II-specific / DNA-binding transcription factor activity / RNA polymerase II cis-regulatory region sequence-specific DNA binding / chromatin binding / chromatin / regulation of transcription by RNA polymerase II / negative regulation of transcription by RNA polymerase II / positive regulation of transcription by RNA polymerase II ...sequence-specific double-stranded DNA binding / DNA-binding transcription activator activity, RNA polymerase II-specific / DNA-binding transcription factor activity, RNA polymerase II-specific / DNA-binding transcription factor activity / RNA polymerase II cis-regulatory region sequence-specific DNA binding / chromatin binding / chromatin / regulation of transcription by RNA polymerase II / negative regulation of transcription by RNA polymerase II / positive regulation of transcription by RNA polymerase II / DNA binding / nucleoplasm / nucleus / cytosol
Similarity search - Function
Ets-domain signature 1. / Ets-domain signature 2. / Ets domain / ETS family / Ets-domain / Ets-domain profile. / erythroblast transformation specific domain / Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain / Arc Repressor Mutant, subunit A / Winged helix DNA-binding domain superfamily ...Ets-domain signature 1. / Ets-domain signature 2. / Ets domain / ETS family / Ets-domain / Ets-domain profile. / erythroblast transformation specific domain / Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain / Arc Repressor Mutant, subunit A / Winged helix DNA-binding domain superfamily / Winged helix-like DNA-binding domain superfamily / Orthogonal Bundle / Mainly Alpha
Similarity search - Domain/homology
DNA / ETS domain-containing protein Elk-4
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / MIR / Resolution: 1.93 Å
AuthorsMo, Y. / Vaessen, B. / Johnston, K. / Marmorstein, R.
CitationJournal: Mol.Cell / Year: 1998
Title: Structures of SAP-1 bound to DNA targets from the E74 and c-fos promoters: insights into DNA sequence discrimination by Ets proteins.
Authors: Mo, Y. / Vaessen, B. / Johnston, K. / Marmorstein, R.
History
DepositionMay 5, 1998Deposition site: BNL / Processing site: NDB
Revision 1.0Dec 1, 1998Provider: repository / Type: Initial release
Revision 1.1May 22, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Feb 7, 2024Group: Data collection / Database references / Derived calculations
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_struct_conn_angle / struct_conn / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_struct_conn_angle.ptnr1_auth_asym_id / _pdbx_struct_conn_angle.ptnr1_auth_comp_id / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr1_label_asym_id / _pdbx_struct_conn_angle.ptnr1_label_atom_id / _pdbx_struct_conn_angle.ptnr1_label_comp_id / _pdbx_struct_conn_angle.ptnr1_label_seq_id / _pdbx_struct_conn_angle.ptnr2_auth_asym_id / _pdbx_struct_conn_angle.ptnr2_auth_seq_id / _pdbx_struct_conn_angle.ptnr2_label_asym_id / _pdbx_struct_conn_angle.ptnr3_auth_asym_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_label_asym_id / _pdbx_struct_conn_angle.value / _struct_conn.pdbx_dist_value / _struct_conn.ptnr1_auth_asym_id / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr1_label_seq_id / _struct_conn.ptnr2_auth_asym_id / _struct_conn.ptnr2_auth_comp_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_atom_id / _struct_conn.ptnr2_label_comp_id / _struct_conn.ptnr2_label_seq_id / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: DNA (5'-D(*TP*AP*CP*CP*GP*GP*AP*AP*GP*T)-3')
B: DNA (5'-D(*AP*AP*CP*TP*TP*CP*CP*GP*GP*T)-3')
C: PROTEIN (SAP-1 ETS DOMAIN)
hetero molecules


Theoretical massNumber of molelcules
Total (without water)17,4395
Polymers17,3083
Non-polymers1312
Water2,882160
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)31.590, 55.670, 44.230
Angle α, β, γ (deg.)90.00, 107.16, 90.00
Int Tables number4
Cell settingmonoclinic
Space group name H-MP1211

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Components

#1: DNA chain DNA (5'-D(*TP*AP*CP*CP*GP*GP*AP*AP*GP*T)-3') / E74 DNA FRAGMENT


Mass: 3069.029 Da / Num. of mol.: 1 / Source method: obtained synthetically
#2: DNA chain DNA (5'-D(*AP*AP*CP*TP*TP*CP*CP*GP*GP*T)-3') / E74 DNA FRAGMENT


Mass: 3019.991 Da / Num. of mol.: 1 / Source method: obtained synthetically
#3: Protein PROTEIN (SAP-1 ETS DOMAIN) / SAP-1


Mass: 11219.207 Da / Num. of mol.: 1 / Fragment: ETS DOMAIN, RESIDUES 1-93
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Cellular location: NUCLEUS / Gene: SAP-1 RESIDUES 1-93 / Production host: Escherichia coli (E. coli) / Strain (production host): BL21(DE3) / Variant (production host): LYSS / References: UniProt: P28324
#4: Chemical ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Zn
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 160 / Source method: isolated from a natural source / Formula: H2O

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 1

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Sample preparation

CrystalDensity Matthews: 2.13 Å3/Da / Density % sol: 42.2 %
Crystal growpH: 6
Details: 50 MM NA CACODYLATE (PH 6.0), 5.0% PEG8000, 20 MM ZINC ACETATE
Components of the solutions
IDNameCrystal-IDSol-ID
1SODIUM CACODYLATE11
2PEG 800011
3ZINC ACETATE11
4PEG 800012
Crystal grow
*PLUS
Temperature: 20 ℃ / Method: vapor diffusion, hanging drop
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-ID
125 mMsodium cacodylate1drop
22.5 %PEG80001drop
310 mMzinc acetate1drop
41

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Data collection

DiffractionMean temperature: 110 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU RU200 / Wavelength: 1.5418
DetectorType: MARRESEARCH / Detector: IMAGE PLATE / Date: Dec 15, 1997 / Details: MIRRORS
RadiationMonochromator: NI FILTER / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 1.93→28.9 Å / Num. obs: 10728 / % possible obs: 96.7 % / Redundancy: 7.1 % / Biso Wilson estimate: 14.8 Å2 / Rmerge(I) obs: 0.071 / Net I/σ(I): 15
Reflection shellResolution: 1.93→2.02 Å / Rmerge(I) obs: 0.141 / % possible all: 91.7
Reflection shell
*PLUS
% possible obs: 91.7 %

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Processing

Software
NameVersionClassification
PHASESphasing
X-PLOR3.851refinement
DENZOdata reduction
SCALEPACKdata scaling
RefinementMethod to determine structure: MIR / Resolution: 1.93→28.9 Å / Data cutoff high absF: 1000000 / Data cutoff low absF: 0.001 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 2
RfactorNum. reflection% reflectionSelection details
Rfree0.277 -10.1 %RANDOM
Rwork0.22 ---
obs0.22 10700 96.4 %-
Displacement parametersBiso mean: 17 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.32 Å0.25 Å
Luzzati d res low-5 Å
Luzzati sigma a0.29 Å0.26 Å
Refinement stepCycle: LAST / Resolution: 1.93→28.9 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms790 404 2 160 1356
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONx_bond_d0.007
X-RAY DIFFRACTIONx_bond_d_na
X-RAY DIFFRACTIONx_bond_d_prot
X-RAY DIFFRACTIONx_angle_d
X-RAY DIFFRACTIONx_angle_d_na
X-RAY DIFFRACTIONx_angle_d_prot
X-RAY DIFFRACTIONx_angle_deg1.19
X-RAY DIFFRACTIONx_angle_deg_na
X-RAY DIFFRACTIONx_angle_deg_prot
X-RAY DIFFRACTIONx_dihedral_angle_d23
X-RAY DIFFRACTIONx_dihedral_angle_d_na
X-RAY DIFFRACTIONx_dihedral_angle_d_prot
X-RAY DIFFRACTIONx_improper_angle_d1.14
X-RAY DIFFRACTIONx_improper_angle_d_na
X-RAY DIFFRACTIONx_improper_angle_d_prot
X-RAY DIFFRACTIONx_mcbond_it
X-RAY DIFFRACTIONx_mcangle_it
X-RAY DIFFRACTIONx_scbond_it
X-RAY DIFFRACTIONx_scangle_it
LS refinement shellResolution: 1.93→2.02 Å / Total num. of bins used: 8
RfactorNum. reflection% reflection
Rfree0.3956 -8.5 %
Rwork0.3144 1129 -
obs--91.2 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1PROTEIN_REP.PARAMTOPHCSDX.PRO
X-RAY DIFFRACTION2DNA-RNA.PARAMDNA-RNA.TOP
X-RAY DIFFRACTION3TOPH11.WAT
Software
*PLUS
Name: X-PLOR / Version: 3.851 / Classification: refinement
Refinement
*PLUS
Num. reflection all: 10728 / Rfactor obs: 0.22 / Rfactor Rwork: 0.22
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONx_dihedral_angle_d
X-RAY DIFFRACTIONx_dihedral_angle_deg23
X-RAY DIFFRACTIONx_improper_angle_d
X-RAY DIFFRACTIONx_improper_angle_deg1.14

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